<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    //构造函数
    function Person(){

    }
    //Person.constructor 构造函数
    console.log(Person === Person.prototype.constructor)


    // p对象 p.__proto__  Person.prototype
    var p = new Person();
    console.log(p.__proto__  === Person.prototype);

    console.log(p.constructor  === Person.prototype.constructor);


</script>
</body>
</html>